search for: diffeq

Displaying 3 results from an estimated 3 matches for "diffeq".

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2005 Mar 16
0
use of covariates with nlmeODE
...r R-helpers, I have some problem with a model I am trying to run with nlmeODE. I have a covariate that I want to include in the model and I can't find in the documentation how to include it in the model so that it can calculate it. >formula(trial) PME ~ time | Ident abcnoniso <- list(DiffEq=list( debdt = ~ -ksol*pH*eb , desdt = ~ ksolref*pH*eb-kdegref*pH*es, dpHdt= ~ -k*(pH-pHinf) ), ObsEq=list( c1 = ~ 0, c2 = ~ es, c3 = ~ 0),...
2013 Jan 03
1
R2OpenBUGS question with differential equations
Dear All,   Currently I am running the following code:   library(stats4) library(odesolve) library(rgenoud) Input<-data.frame(SUB=c(1),time=c(0.5,3,10,15),lev=c(2.05,12.08,9.02,8)) XD<-500 IT<-3 diffeqfun<-function(time, y, parms) {   if(time<=IT)      dCpdt <- (XD/IT)/parms["Vol"] - (parms["Vm"]/parms["Vol"])*y[1]/(parms["Km"]/parms["Vol"]+y[1])   else     dCpdt <- -(parms["Vm"]/parms["Vol"])*y[1]/(parms["K...
2012 Apr 15
6
CRAN (and crantastic) updates this week
CRAN (and crantastic) updates this week New packages ------------ * disclapmix (0.1) Maintainer: Mikkel Meyer Andersen Author(s): Mikkel Meyer Andersen and Poul Svante Eriksen License: GPL-2 http://crantastic.org/packages/disclapmix disclapmix makes inference in a mixture of Discrete Laplace distributions using the EM algorithm. * EstSimPDMP (1.1) Maintainer: Unknown Author(s):